#include <stdio.h>
int main()
{
    printf("%d\n",100);  //100
    printf("%zu\n",sizeof(char));  //1字节
    printf("%zu\n",sizeof(short));  //2字节
    printf("%zu\n",sizeof(int));  //4字节
    printf("%zu\n",sizeof(long));  //4字节
    printf("%zu\n",sizeof(long long));  //8字节
    printf("%zu\n",sizeof(float));  //4字节
    printf("%zu\n",sizeof(double));  //8字节
    return 0；
}